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Muzio L, Perego J. CNS Resident Innate Immune Cells: Guardians of CNS Homeostasis. Int J Mol Sci 2024; 25:4865. [PMID: 38732082 PMCID: PMC11084235 DOI: 10.3390/ijms25094865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 04/22/2024] [Accepted: 04/25/2024] [Indexed: 05/13/2024] Open
Abstract
Although the CNS has been considered for a long time an immune-privileged organ, it is now well known that both the parenchyma and non-parenchymal tissue (meninges, perivascular space, and choroid plexus) are richly populated in resident immune cells. The advent of more powerful tools for multiplex immunophenotyping, such as single-cell RNA sequencing technique and upscale multiparametric flow and mass spectrometry, helped in discriminating between resident and infiltrating cells and, above all, the different spectrum of phenotypes distinguishing border-associated macrophages. Here, we focus our attention on resident innate immune players and their primary role in both CNS homeostasis and pathological neuroinflammation and neurodegeneration, two key interconnected aspects of the immunopathology of multiple sclerosis.
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Affiliation(s)
- Luca Muzio
- Neuroimmunology Lab, IRCCS San Raffaele Scientific Institute, Institute of Experimental Neurology, 20133 Milan, Italy;
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2
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Lin TD, Rubinstein ND, Fong NL, Smith M, Craft W, Martin-McNulty B, Perry R, Delaney MA, Roy MA, Buffenstein R. Evolution of T cells in the cancer-resistant naked mole-rat. Nat Commun 2024; 15:3145. [PMID: 38605005 PMCID: PMC11009300 DOI: 10.1038/s41467-024-47264-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 03/26/2024] [Indexed: 04/13/2024] Open
Abstract
Naked mole-rats (NMRs) are best known for their extreme longevity and cancer resistance, suggesting that their immune system might have evolved to facilitate these phenotypes. Natural killer (NK) and T cells have evolved to detect and destroy cells infected with pathogens and to provide an early response to malignancies. While it is known that NMRs lack NK cells, likely lost during evolution, little is known about their T-cell subsets in terms of the evolution of the genes that regulate their function, their clonotypic diversity, and the thymus where they mature. Here we find, using single-cell transcriptomics, that NMRs have a large circulating population of γδT cells, which in mice and humans mostly reside in peripheral tissues and induce anti-cancer cytotoxicity. Using single-cell-T-cell-receptor sequencing, we find that a cytotoxic γδT-cell subset of NMRs harbors a dominant clonotype, and that their conventional CD8 αβT cells exhibit modest clonotypic diversity. Consistently, perinatal NMR thymuses are considerably smaller than those of mice yet follow similar involution progression. Our findings suggest that NMRs have evolved under a relaxed intracellular pathogenic selective pressure that may have allowed cancer resistance and longevity to become stronger targets of selection to which the immune system has responded by utilizing γδT cells.
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Affiliation(s)
- Tzuhua D Lin
- Calico Life Sciences LLC, South San Francisco, California, CA, USA
| | | | - Nicole L Fong
- Calico Life Sciences LLC, South San Francisco, California, CA, USA
| | - Megan Smith
- Calico Life Sciences LLC, South San Francisco, California, CA, USA
| | - Wendy Craft
- Calico Life Sciences LLC, South San Francisco, California, CA, USA
| | | | - Rebecca Perry
- Department of Biological Science, University of Illinois at Chicago, Illinois, IL, USA
| | | | - Margaret A Roy
- Calico Life Sciences LLC, South San Francisco, California, CA, USA
| | - Rochelle Buffenstein
- Calico Life Sciences LLC, South San Francisco, California, CA, USA.
- Department of Biological Science, University of Illinois at Chicago, Illinois, IL, USA.
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3
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To TT, Oparaugo NC, Kheshvadjian AR, Nelson AM, Agak GW. Understanding Type 3 Innate Lymphoid Cells and Crosstalk with the Microbiota: A Skin Connection. Int J Mol Sci 2024; 25:2021. [PMID: 38396697 PMCID: PMC10888374 DOI: 10.3390/ijms25042021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/18/2024] [Accepted: 01/26/2024] [Indexed: 02/25/2024] Open
Abstract
Innate lymphoid cells (ILCs) are a diverse population of lymphocytes classified into natural killer (NK) cells, ILC1s, ILC2s, ILC3s, and ILCregs, broadly following the cytokine secretion and transcription factor profiles of classical T cell subsets. Nonetheless, the ILC lineage does not have rearranged antigen-specific receptors and possesses distinct characteristics. ILCs are found in barrier tissues such as the skin, lungs, and intestines, where they play a role between acquired immune cells and myeloid cells. Within the skin, ILCs are activated by the microbiota and, in turn, may influence the microbiome composition and modulate immune function through cytokine secretion or direct cellular interactions. In particular, ILC3s provide epithelial protection against extracellular bacteria. However, the mechanism by which these cells modulate skin health and homeostasis in response to microbiome changes is unclear. To better understand how ILC3s function against microbiota perturbations in the skin, we propose a role for these cells in response to Cutibacterium acnes, a predominant commensal bacterium linked to the inflammatory skin condition, acne vulgaris. In this article, we review current evidence describing the role of ILC3s in the skin and suggest functional roles by drawing parallels with ILC3s from other organs. We emphasize the limited understanding and knowledge gaps of ILC3s in the skin and discuss the potential impact of ILC3-microbiota crosstalk in select skin diseases. Exploring the dialogue between the microbiota and ILC3s may lead to novel strategies to ameliorate skin immunity.
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Affiliation(s)
- Thao Tam To
- Division of Dermatology, Department of Medicine, University of California (UCLA), Los Angeles, CA 90095, USA
| | - Nicole Chizara Oparaugo
- Division of Dermatology, Department of Medicine, University of California (UCLA), Los Angeles, CA 90095, USA
| | - Alexander R. Kheshvadjian
- Division of Dermatology, Department of Medicine, University of California (UCLA), Los Angeles, CA 90095, USA
| | - Amanda M. Nelson
- Department of Dermatology, Penn State University College of Medicine, Hershey, PA 17033, USA
| | - George W. Agak
- Division of Dermatology, Department of Medicine, University of California (UCLA), Los Angeles, CA 90095, USA
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Xie J, Gu A, He H, Zhao Q, Yu Y, Chen J, Cheng Z, Zhou P, Zhou Q, Jin M. Autoimmune thyroid disease disrupts immune homeostasis in the endometrium of unexplained infertility women-a single-cell RNA transcriptome study during the implantation window. Front Endocrinol (Lausanne) 2023; 14:1185147. [PMID: 37501789 PMCID: PMC10368980 DOI: 10.3389/fendo.2023.1185147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 05/23/2023] [Indexed: 07/29/2023] Open
Abstract
Objective Autoimmune thyroid disease (AITD) is known to be associated with unexplained infertility in women. Although the presence of antithyroid antibodies have been speculated to be a marker of an immune imbalance that might lead to implantation failure, its underlying mechanism influencing the endometrial receptivity remains to be elucidated. In this study, we used single-cell RNA sequencing (scRNA-seq) to dissect immune microenvironment in endometrium of AITD patients during window of implantation (WOI). Methods We collected CD45+ immune cell populations of endometrium samples of unexplained infertile women with AITD (n=3), as well as samples of AITD- controls (n=3). The cells were then processed with 10X Genomics Chromium for further analysis. Results We characterized 28 distinct immune cell subtypes totally, and uncovered differences in the composition and gene expression patterns between AITD patients and controls. The proportions of T CD4+, cNK, ILC3, T CD8+ GZMK+, T CD8+ Cytotoxic and ILC3 CD3E - cells were increased, and CD366+ uNK1 was decreased in AITD+ patients. And the abnormal expression of GNLY and chemokines was observed in AITD patients. In addition, uNK and T CD8+ Cytotoxic cells showed lower cytotoxicity but activation of immune response. Genes enriched in cell adhesion of ILC3 and Tregs were downregulated, while the number of ILC3 and Tregs were increased. Conclusion Immune imbalance exists in endometrium during WOI, which may impact embryo implantation.
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Affiliation(s)
- Jilai Xie
- Second Affiliated Hospital, School of Medicine, Zhejiang University, Department of Reproductive Medicine, Hangzhou, China
| | - Aiyuan Gu
- Ministry of Education (MOE) Laboratory of Biosystems Homeostasis & Protection and Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, Life Sciences Institute, Zhejiang University, Hangzhou, China
| | - Huangyi He
- Ministry of Education (MOE) Laboratory of Biosystems Homeostasis & Protection and Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, Life Sciences Institute, Zhejiang University, Hangzhou, China
| | - Qiaohang Zhao
- Second Affiliated Hospital, School of Medicine, Zhejiang University, Department of Reproductive Medicine, Hangzhou, China
| | - Ya Yu
- Second Affiliated Hospital, School of Medicine, Zhejiang University, Department of Reproductive Medicine, Hangzhou, China
| | - Jian Chen
- Second Affiliated Hospital, School of Medicine, Zhejiang University, Department of Reproductive Medicine, Hangzhou, China
| | - Zhangliang Cheng
- Ministry of Education (MOE) Laboratory of Biosystems Homeostasis & Protection and Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, Life Sciences Institute, Zhejiang University, Hangzhou, China
| | - Ping Zhou
- Second Affiliated Hospital, School of Medicine, Zhejiang University, Department of Reproductive Medicine, Hangzhou, China
| | - Qi Zhou
- Second Affiliated Hospital, School of Medicine, Zhejiang University, Department of Reproductive Medicine, Hangzhou, China
- Ministry of Education (MOE) Laboratory of Biosystems Homeostasis & Protection and Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, Life Sciences Institute, Zhejiang University, Hangzhou, China
- Department of Neuroscience and Developmental Biology, University of Vienna, Vienna, Austria
| | - Min Jin
- Second Affiliated Hospital, School of Medicine, Zhejiang University, Department of Reproductive Medicine, Hangzhou, China
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Deng Y, Shi S, Luo J, Zhang Y, Dong H, Wang X, Zhou J, Wei Z, Li J, Xu C, Xu S, Sun Y, Ni B, Wu Y, Yang D, Han C, Tian Y. Regulation of mRNA stability contributes to the function of innate lymphoid cells in various diseases. Front Immunol 2023; 14:1118483. [PMID: 36776864 PMCID: PMC9909350 DOI: 10.3389/fimmu.2023.1118483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 01/16/2023] [Indexed: 01/28/2023] Open
Abstract
Innate lymphoid cells (ILCs) are important subsets of innate immune cells that regulate mucosal immunity. ILCs include natural killer cells, innate lymphoid cells-1 (ILC1s), ILC2s, and ILC3s, which have extremely important roles in the immune system. In this review, we summarize the regulation of mRNA stability mediated through various factors in ILCs (e.g., cytokines, RNA-binding proteins, non-coding RNAs) and their roles in mediating functions in different ILC subsets. In addition, we discuss potential therapeutic targets for diseases such as chronic obstructive pulmonary disease, cancer, and pulmonary fibrosis by regulation of mRNA stability in ILCs, which may provide novel directions for future clinical research.
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Affiliation(s)
- Yuanyu Deng
- Institute of Immunology, PLA, Third Military Medical University (Army Medical University), Chongqing, China
| | - Saiyu Shi
- Institute of Immunology, PLA, Third Military Medical University (Army Medical University), Chongqing, China
| | - Jie Luo
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Yiwei Zhang
- Institute of Immunology, PLA, Third Military Medical University (Army Medical University), Chongqing, China
| | - Hui Dong
- Institute of Immunology, PLA, Third Military Medical University (Army Medical University), Chongqing, China
| | - Xian Wang
- Department of Immunology, Medical College of Qingdao University, Qingdao, Shandong, China
| | - Jian Zhou
- Institute of Immunology, PLA, Third Military Medical University (Army Medical University), Chongqing, China
| | - Zhiyuan Wei
- The First Affiliated Hospital of Third Military Medical University (Army Medical University), Chongqing, China
| | - Jiahui Li
- Institute of Immunology, PLA, Third Military Medical University (Army Medical University), Chongqing, China
| | - Chen Xu
- Institute of Immunology, PLA, Third Military Medical University (Army Medical University), Chongqing, China
| | - Shuai Xu
- Department of Stomatology, Xinqiao Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Yi Sun
- The First Affiliated Hospital of Third Military Medical University (Army Medical University), Chongqing, China
| | - Bing Ni
- Department of Pathophysiology, Third Military Medical University (Army Medical University), Chongqing, China
| | - Yuzhang Wu
- Institute of Immunology, PLA, Third Military Medical University (Army Medical University), Chongqing, China
| | - Di Yang
- Institute of Immunology, PLA, Third Military Medical University (Army Medical University), Chongqing, China,*Correspondence: Yi Tian, ; Di Yang, ; Chao Han,
| | - Chao Han
- Institute of Immunology, PLA, Third Military Medical University (Army Medical University), Chongqing, China,*Correspondence: Yi Tian, ; Di Yang, ; Chao Han,
| | - Yi Tian
- Institute of Immunology, PLA, Third Military Medical University (Army Medical University), Chongqing, China,*Correspondence: Yi Tian, ; Di Yang, ; Chao Han,
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Ham J, Kim J, Sohn KH, Park IW, Choi BW, Chung DH, Cho SH, Kang HR, Jung JW, Kim HY. Cigarette smoke aggravates asthma by inducing memory-like type 3 innate lymphoid cells. Nat Commun 2022; 13:3852. [PMID: 35789151 PMCID: PMC9253141 DOI: 10.1038/s41467-022-31491-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 06/18/2022] [Indexed: 11/25/2022] Open
Abstract
Although cigarette smoking is known to exacerbate asthma, only a few clinical asthma studies have been conducted involving smokers. Here we show, by comparing paired sputum and blood samples from smoking and non-smoking patients with asthma, that smoking associates with significantly higher frequencies of pro-inflammatory, natural-cytotoxicity-receptor-non-expressing type 3 innate lymphoid cells (ILC3) in the sputum and memory-like, CD45RO-expressing ILC3s in the blood. These ILC3 frequencies positively correlate with circulating neutrophil counts and M1 alveolar macrophage frequencies, which are known to increase in uncontrolled severe asthma, yet do not correlate with circulating eosinophil frequencies that characterize allergic asthma. In vitro exposure of ILCs to cigarette smoke extract induces expression of the memory marker CD45RO in ILC3s. Cigarette smoke extract also impairs the barrier function of airway epithelial cells and increases their production of IL-1β, which is a known activating factor for ILC3s. Thus, our study suggests that cigarette smoking increases local and circulating frequencies of activated ILC3 cells, plays a role in their activation, thereby aggravating non-allergic inflammation and the severity of asthma. Cigarette smoking may exacerbate asthma, but the underlying mechanisms have not been studied extensively in human patients. Here authors show that type 3 innate lymphoid cells with activated phenotypes are found in the sputum and blood of smokers in higher frequencies, which might result in the aggravation of asthma.
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Affiliation(s)
- Jongho Ham
- Laboratory of Mucosal Immunology, Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea.,Department of Biomedical Sciences, BK21 Plus Biomedical Science Project, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jihyun Kim
- Laboratory of Mucosal Immunology, Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea.,Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, Seoul, South Korea
| | - Kyoung-Hee Sohn
- Department of Internal Medicine, Kyung Hee University Medical Center, Seoul, Republic of Korea
| | - In-Won Park
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, South Korea
| | - Byoung-Whui Choi
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, South Korea.,Department of Internal Medicine, Chung-Ang University H.C.S. Hyundae l Hospital, Namyangju, South Korea
| | - Doo Hyun Chung
- Department of Biomedical Sciences, BK21 Plus Biomedical Science Project, Seoul National University College of Medicine, Seoul, Republic of Korea.,Department of Pathology, Seoul National University College of Medicine, Seoul, South Korea.,Laboratory of Immune Regulation, Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea
| | - Sang-Heon Cho
- Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, Seoul, South Korea.,Department of Internal Medicine, Seoul National University Hospital, Seoul, South Korea
| | - Hye Ryun Kang
- Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, Seoul, South Korea.,Department of Internal Medicine, Seoul National University Hospital, Seoul, South Korea
| | - Jae-Woo Jung
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, South Korea.
| | - Hye Young Kim
- Laboratory of Mucosal Immunology, Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea. .,Department of Biomedical Sciences, BK21 Plus Biomedical Science Project, Seoul National University College of Medicine, Seoul, Republic of Korea. .,Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, Seoul, South Korea.
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Pelletier A, Stockmann C. The Metabolic Basis of ILC Plasticity. Front Immunol 2022; 13:858051. [PMID: 35572512 PMCID: PMC9099248 DOI: 10.3389/fimmu.2022.858051] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 04/04/2022] [Indexed: 11/17/2022] Open
Abstract
Innate Lymphoid Cells (ILCs) are the innate counterpart of adaptive lymphoid T cells. They are key players in the regulation of tissues homeostasis and early inflammatory host responses. ILCs are divided into three groups, and further subdivided into five subsets, that are characterised by distinct transcription factors, surface markers and their cytokine expression profiles. Group 1 ILCs, including natural killer (NK) cells and non-NK cell ILC1s, express T-bet and produce IFN-γ. Group 2 ILCs depend on GATA3 and produce IL-4, IL-5 and IL-13. Group 3 ILCs, composed of ILC3s and Lymphoid Tissue Inducer (LTi) cells, express RORγt and produce IL-17 and IL-22. Even though, the phenotype of each subset is well defined, environmental signals can trigger the interconversion of phenotypes and the plasticity of ILCs, in both mice and humans. Several extrinsic and intrinsic drivers of ILC plasticity have been described. However, the changes in cellular metabolism that underlie ILC plasticity remain largely unexplored. Given that metabolic changes critically affect fate and effector function of several immune cell types, we, here, review recent findings on ILC metabolism and discuss the implications for ILC plasticity.
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Wang S, van de Pavert SA. Innate Lymphoid Cells in the Central Nervous System. Front Immunol 2022; 13:837250. [PMID: 35185929 PMCID: PMC8852840 DOI: 10.3389/fimmu.2022.837250] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 01/17/2022] [Indexed: 12/19/2022] Open
Abstract
Immune cells are present within the central nervous system and play important roles in neurological inflammation and disease. As relatively new described immune cell population, Innate Lymphoid Cells are now increasingly recognized within the central nervous system and associated diseases. Innate Lymphoid Cells are generally regarded as tissue resident and early responders, while conversely within the central nervous system at steady-state their presence is limited. This review describes the current understandings on Innate Lymphoid Cells in the central nervous system at steady-state and its borders plus their involvement in major neurological diseases like ischemic stroke, Alzheimer's disease and Multiple Sclerosis.
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Affiliation(s)
- Shuaiwei Wang
- Aix-Marseille Université, Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM), Centre d'Immunologie de Marseille-Luminy (CIML), Marseille, France
| | - Serge A van de Pavert
- Aix-Marseille Université, Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM), Centre d'Immunologie de Marseille-Luminy (CIML), Marseille, France
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9
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Dynamic Changes of NCR - Type 3 Innate Lymphoid Cells and Their Role in Mice with Bronchopulmonary Dysplasia. Inflammation 2022; 45:497-508. [PMID: 35122179 PMCID: PMC8956536 DOI: 10.1007/s10753-021-01543-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 08/12/2021] [Indexed: 12/17/2022]
Abstract
Inflammation is one of the important pathogenesis of bronchopulmonary dysplasia (BPD). Type 3 innate lymphoid cells (ILC3) play a role in a variety of inflammatory lung diseases. In this study, we established the BPD model by injecting lipopolysaccharide into the amniotic cavity of pregnant mice. Here, we investigated the dynamic changes of ILC3 and NKP46− ILC3 population in lung tissues of mice from BPD and the control groups. Results showed that the proportion of ILC3 and NKP46−ILC3 in the BPD group was higher than those of the control group. In addition, the cytokines interleukin-17 (IL-17) and interleukin-22 (IL-22) secreted by ILC3 in this model had also changed that their expression was significantly increased compared with that of the control group. Flow cytometry demonstrated that ILC3 were a rapid source of IL-17. In the anti-CD90 knockdown experiment, we confirmed the alleviation of BPD inflammation in the absence of ILC3. In addition, we injected mice with anti-IL-17 neutralizing antibody, and the results showed that IL-17 could aggravate BPD inflammation. Taken together, ILC3 may play a pro-inflammatory role in BPD by secreting IL-17.
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10
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Grimaldi A, Pietropaolo G, Stabile H, Kosta A, Capuano C, Gismondi A, Santoni A, Sciumè G, Fionda C. The Regulatory Activity of Noncoding RNAs in ILCs. Cells 2021; 10:cells10102742. [PMID: 34685721 PMCID: PMC8534545 DOI: 10.3390/cells10102742] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/01/2021] [Accepted: 10/11/2021] [Indexed: 12/12/2022] Open
Abstract
Innate lymphoid cells (ILCs) are innate lymphocytes playing essential functions in protection against microbial infections and participate in both homeostatic and pathological contexts, including tissue remodeling, cancer, and inflammatory disorders. A number of lineage-defining transcription factors concurs to establish transcriptional networks which determine the identity and the activity of the distinct ILC subsets. However, the contribution of other regulatory molecules in controlling ILC development and function is also recently emerging. In this regard, noncoding RNAs (ncRNAs) represent key elements of the complex regulatory network of ILC biology and host protection. ncRNAs mostly lack protein-coding potential, but they are endowed with a relevant regulatory activity in immune and nonimmune cells because of their ability to control chromatin structure, RNA stability, and/or protein synthesis. Herein, we summarize recent studies describing how distinct types of ncRNAs, mainly microRNAs, long ncRNAs, and circular RNAs, act in the context of ILC biology. In particular, we comment on how ncRNAs can exert key effects in ILCs by controlling gene expression in a cell- or state-specific manner and how this tunes distinct functional outputs in ILCs.
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Affiliation(s)
- Alessio Grimaldi
- Department of Molecular Medicine, Istituto Pasteur-Fondazione Cenci Bolognetti, Sapienza University of Rome, 00161 Rome, Italy; (A.G.); (G.P.); (H.S.); (A.K.); (A.G.); (A.S.); (G.S.)
| | - Giuseppe Pietropaolo
- Department of Molecular Medicine, Istituto Pasteur-Fondazione Cenci Bolognetti, Sapienza University of Rome, 00161 Rome, Italy; (A.G.); (G.P.); (H.S.); (A.K.); (A.G.); (A.S.); (G.S.)
| | - Helena Stabile
- Department of Molecular Medicine, Istituto Pasteur-Fondazione Cenci Bolognetti, Sapienza University of Rome, 00161 Rome, Italy; (A.G.); (G.P.); (H.S.); (A.K.); (A.G.); (A.S.); (G.S.)
| | - Andrea Kosta
- Department of Molecular Medicine, Istituto Pasteur-Fondazione Cenci Bolognetti, Sapienza University of Rome, 00161 Rome, Italy; (A.G.); (G.P.); (H.S.); (A.K.); (A.G.); (A.S.); (G.S.)
| | - Cristina Capuano
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy;
| | - Angela Gismondi
- Department of Molecular Medicine, Istituto Pasteur-Fondazione Cenci Bolognetti, Sapienza University of Rome, 00161 Rome, Italy; (A.G.); (G.P.); (H.S.); (A.K.); (A.G.); (A.S.); (G.S.)
| | - Angela Santoni
- Department of Molecular Medicine, Istituto Pasteur-Fondazione Cenci Bolognetti, Sapienza University of Rome, 00161 Rome, Italy; (A.G.); (G.P.); (H.S.); (A.K.); (A.G.); (A.S.); (G.S.)
- IRCCS (Istituto di Ricovero e Cura a Carattere Scientifico) Neuromed, 86077 Pozzilli, Italy
| | - Giuseppe Sciumè
- Department of Molecular Medicine, Istituto Pasteur-Fondazione Cenci Bolognetti, Sapienza University of Rome, 00161 Rome, Italy; (A.G.); (G.P.); (H.S.); (A.K.); (A.G.); (A.S.); (G.S.)
| | - Cinzia Fionda
- Department of Molecular Medicine, Istituto Pasteur-Fondazione Cenci Bolognetti, Sapienza University of Rome, 00161 Rome, Italy; (A.G.); (G.P.); (H.S.); (A.K.); (A.G.); (A.S.); (G.S.)
- Correspondence: ; Tel.: +39-0649255118; Fax: +39-0644340632
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11
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Sumaria N, Martin S, Pennington DJ. Constrained TCRγδ-associated Syk activity engages PI3K to facilitate thymic development of IL-17A-secreting γδ T cells. Sci Signal 2021; 14:14/692/eabc5884. [PMID: 34285131 DOI: 10.1126/scisignal.abc5884] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Murine γδ17 cells, which are T cells that bear the γδ T cell receptor (TCRγδ) and secrete interleukin-17A (IL-17A), are generated in the thymus and are critical for various immune responses. Although strong TCRγδ signals are required for the development of interferon-γ (IFN-γ)-secreting γδ cells (γδIFN cells), the generation of γδ17 cells requires weaker TCRγδ signaling. Here, we demonstrated that constrained activation of the kinase Syk downstream of TCRγδ was required for the thymic development of γδ17 cells. Increasing or decreasing Syk activity by stimulating TCRγδ or inhibiting Syk, respectively, substantially reduced γδ17 cell numbers. This delimited Syk activity optimally engaged the phosphoinositide 3-kinase (PI3K)-Akt signaling pathway, which maintained the expression of master regulators of the IL-17 program, RORγt and c-Maf. Inhibition of PI3K not only abrogated γδ17 cell development but also augmented the development of a distinct, previously undescribed subset of γδ T cells. These CD8+Ly6a+ γδ T cells had a type-I IFN gene expression signature and expanded in response to stimulation with IFN-β. Collectively, these studies elucidate how weaker TCRγδ signaling engages distinct signaling pathways to specify the γδ17 cell fate and identifies a role for type-I IFNs in γδ T cell development.
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Affiliation(s)
- Nital Sumaria
- Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, 4 Newark Street, London E1 2AT, UK
| | - Stefania Martin
- Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, 4 Newark Street, London E1 2AT, UK
| | - Daniel J Pennington
- Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, 4 Newark Street, London E1 2AT, UK.
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12
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Kong WS, Tsuyama N, Inoue H, Guo Y, Mokuda S, Nobukiyo A, Nakatani N, Yamaide F, Nakano T, Kohno Y, Ikeda K, Nakanishi Y, Ohno H, Arita M, Shimojo N, Kanno M. Long-chain saturated fatty acids in breast milk are associated with the pathogenesis of atopic dermatitis via induction of inflammatory ILC3s. Sci Rep 2021; 11:13109. [PMID: 34162906 PMCID: PMC8222289 DOI: 10.1038/s41598-021-92282-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 06/04/2021] [Indexed: 02/05/2023] Open
Abstract
Breastfeeding influences the immune system development in infants and may even affect various immunological responses later in life. Breast milk provides a rich source of early nutrition for infant growth and development. However, the presence of certain compounds in breast milk, related to an unhealthy lifestyle or the diet of lactating mothers, may negatively impact infants. Based on a cohort study of atopic dermatitis (AD), we find the presence of damage-associated molecular patterns (DAMPs) activity in the mother's milk. By non-targeted metabolomic analysis, we identify the long-chain saturated fatty acids (LCSFA) as a biomarker DAMPs (+) breast milk samples. Similarly, a mouse model in which breastfed offspring are fed milk high in LCSFA show AD onset later in life. We prove that LCSFA are a type of damage-associated molecular patterns, which initiate a series of inflammatory events in the gut involving type 3 innate lymphoid cells (ILC3s). A remarkable increase in inflammatory ILC3s is observed in the gut, and the migration of these ILC3s to the skin may be potential triggers of AD. Gene expression analysis of ILC3s isolated from the gut reveal upregulation of genes that increase ILC3s and chemokines/chemokine receptors, which may play a role in ILC migration to the skin. Even in the absence of adaptive immunity, Rag1 knockout mice fed a high-LCSFA milk diet develop eczema, accompanied by increased gut ILC3s. We also present that gut microbiota of AD-prone PA milk-fed mice is different from non-AD OA/ND milk-fed mice. Here, we propose that early exposure to LCSFAs in infants may affect the balance of intestinal innate immunity, inducing a highly inflammatory environment with the proliferation of ILC3s and production of interleukin-17 and interleukin-22, these factors may be potential triggers or worsening factors of AD.
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Affiliation(s)
- Weng Sheng Kong
- Department of Immunology, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3, kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Naohiro Tsuyama
- Analytical Molecular Medicine and Devices Laboratory, Hiroshima University, Hiroshima, Japan
- Laboratory for Metabolomics, RIKEN Center for Integrative Medical Sciences (IMS), Yokohama, Japan
- Department of Radiation Life Sciences, Fukushima Medical University, Fukushima, Japan
| | - Hiroko Inoue
- Department of Immunology, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3, kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Yun Guo
- Department of Immunology, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3, kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Sho Mokuda
- Department of Clinical Immunology and Rheumatology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Asako Nobukiyo
- Natural Science Centre for Basic Research and Development, Hiroshima University, Hiroshima, Japan
| | | | - Fumiya Yamaide
- Department of Pediatrics, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Taiji Nakano
- Department of Pediatrics, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Yoichi Kohno
- Department of Pediatrics, Graduate School of Medicine, Chiba University, Chiba, Japan
- Chiba Rosai Hospital, Chiba, Japan
| | - Kazutaka Ikeda
- Laboratory for Metabolomics, RIKEN Center for Integrative Medical Sciences (IMS), Yokohama, Japan
- Laboratory of Medical Omics Research, Kazusa DNA Research Institute, Chiba, Japan
| | - Yumiko Nakanishi
- Laboratory for Intestinal Ecosystem, RIKEN Center for Integrative Medical Sciences (IMS), Yokohama, Japan
- Intestinal Microbiota Project, Kanagawa Institute of Industrial Science and Technology, Kawasaki, Japan
- Immunobiology Laboratory, Graduate School of Medical Life Science, Yokohama City University, Yokohama, Japan
| | - Hiroshi Ohno
- Laboratory for Intestinal Ecosystem, RIKEN Center for Integrative Medical Sciences (IMS), Yokohama, Japan
- Intestinal Microbiota Project, Kanagawa Institute of Industrial Science and Technology, Kawasaki, Japan
- Immunobiology Laboratory, Graduate School of Medical Life Science, Yokohama City University, Yokohama, Japan
- AMED-CREST Japan Agency for Medical Research and Development, Tokyo, Japan
| | - Makoto Arita
- Laboratory for Metabolomics, RIKEN Center for Integrative Medical Sciences (IMS), Yokohama, Japan
| | - Naoki Shimojo
- Department of Pediatrics, Graduate School of Medicine, Chiba University, Chiba, Japan
- AMED-CREST Japan Agency for Medical Research and Development, Tokyo, Japan
- Center for Preventive Medicine, Chiba University, Chiba, Japan
| | - Masamoto Kanno
- Department of Immunology, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3, kasumi, Minami-ku, Hiroshima, 734-8551, Japan.
- AMED-SENTAN, Tokyo, Japan.
- AMED-CREST Japan Agency for Medical Research and Development, Tokyo, Japan.
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13
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Dynamic regulation of innate lymphoid cells in the mucosal immune system. Cell Mol Immunol 2021; 18:1387-1394. [PMID: 33980994 PMCID: PMC8167116 DOI: 10.1038/s41423-021-00689-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 04/18/2021] [Indexed: 02/03/2023] Open
Abstract
The mucosal immune system is considered a local immune system, a term that implies regional restriction. Mucosal tissues are continually exposed to a wide range of antigens. The regulation of mucosal immune cells is tightly associated with the progression of mucosal diseases. Innate lymphoid cells (ILCs) are abundant in mucosal barriers and serve as first-line defenses against pathogens. The subtype changes and translocation of ILCs are accompanied by the pathologic processes of mucosal diseases. Here, we review the plasticity and circulation of ILCs in the mucosal immune system under physiological and pathological conditions. We also discuss the signaling pathways involved in dynamic ILC changes and the related targets in mucosal diseases.
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14
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Mendes J, Rodrigues-Santos P, Areia AL, Almeida JS, Alves V, Santos-Rosa M, Mota-Pinto A. Type 2 and type 3 innate lymphoid cells at the maternal-fetal interface: implications in preterm birth. BMC Immunol 2021; 22:28. [PMID: 33957866 PMCID: PMC8101215 DOI: 10.1186/s12865-021-00423-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 04/27/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Preterm birth (PTB) is one of the major causes of neonatal morbidity and mortality worldwide. It is commonly accepted that the act of giving birth is the final step in a proinflammatory signaling cascade, orchestrated by an intrauterine milieu coupled to hormonal cues. Consequently, the inflammatory process plays a pivotal role during the pathogenesis of human labor, both in term and preterm deliveries. The ability of innate lymphoid cells (ILCs) to act as pro-inflammatory mediators arose the interest to study their role in normal and pathological pregnancies. The aim of this work was to analyze the relative frequencies of ILCs subsets in pregnancy and the levels of IL-4, IL-17, IL-22, and IFN-γ as inflammatory mediators. Accordingly, we hypothesized that changes in the proportions of ILCs subpopulations could be related to preterm birth. METHODS We analyzed 15 full-term delivery samples and six preterm delivery samples. In the full-term group (FTB) peripheral blood was taken during routine blood analysis, on 3 occasions: 1st, 2nd and 3rd trimester. After delivery, peripheral blood, cord blood and placenta were collected. In PTB group, peripheral blood samples were obtained on two occasions: before and 24 h after treatment with progesterone. We used flow cytometry to analyze ILCs in maternal peripheral blood, placenta, and cord blood samples. Maternal peripheral blood and cord blood samples were analyzed by enzyme-linked immunosorbent assay for IL-4, IL-17, IL-22, and IFN-γ plasma levels at the time of labor. RESULTS We observed significantly increased relative frequencies of ILC2 and ILC3 in the decidua, as well as an increase of ILC2 in cord blood samples in PTB group, compared to FTB samples. We also found a decrease in IFN-γ in peripheral blood samples of the PTB group, suggesting a functional withdrawal. Additionally, IL-4, IL-17, IL-22 levels were similar in PTB and FTB groups, denoting a relevant role in mediating labor. CONCLUSION Our results suggest that ILC2 and ILC3 play a role in PTB by mediating an inflammatory response. Further work is necessary to evaluate the importance of ILCs in the regulation of labor.
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Affiliation(s)
- João Mendes
- Faculty of Medicine, Coimbra Institute for Clinical and Biomedical Research (iCBR), University of Coimbra, Polo III - Health Sciences Campus, Azinhaga Santa Comba, Celas, 3000-548 Coimbra, Portugal
- Faculty of Medicine, Center of Investigation in Environment, Genetics and Oncobiology (CIMAGO), University of Coimbra, Apartado 9015, 3001-301 Coimbra, Portugal
- General Pathology Institute, Faculty of Medicine, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
| | - Paulo Rodrigues-Santos
- Faculty of Medicine, Coimbra Institute for Clinical and Biomedical Research (iCBR), University of Coimbra, Polo III - Health Sciences Campus, Azinhaga Santa Comba, Celas, 3000-548 Coimbra, Portugal
- Faculty of Medicine, Center of Investigation in Environment, Genetics and Oncobiology (CIMAGO), University of Coimbra, Apartado 9015, 3001-301 Coimbra, Portugal
- Faculty of Medicine (FMUC), Institute of Immunology, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
- Center for Neuroscience and Cell Biology (CNC), Laboratory of Immunology and Oncology, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
- Center for Innovation in Biomedicine and Biotechnology (CIBB), University of Coimbra, Polo III - Health Sciences Campus Azinhaga Santa Comba, Celas, 3000-548 Coimbra, Portugal
| | - Ana Luísa Areia
- Faculty of Medicine, Coimbra Institute for Clinical and Biomedical Research (iCBR), University of Coimbra, Polo III - Health Sciences Campus, Azinhaga Santa Comba, Celas, 3000-548 Coimbra, Portugal
- Faculty of Medicine, Center of Investigation in Environment, Genetics and Oncobiology (CIMAGO), University of Coimbra, Apartado 9015, 3001-301 Coimbra, Portugal
- Coimbra Hospital and Universitary Centre (CHUC), Obstetrics Unit, R. Miguel Torga 1, 3030-165 Coimbra, Portugal
| | - Jani-Sofia Almeida
- Faculty of Medicine, Coimbra Institute for Clinical and Biomedical Research (iCBR), University of Coimbra, Polo III - Health Sciences Campus, Azinhaga Santa Comba, Celas, 3000-548 Coimbra, Portugal
- Faculty of Medicine, Center of Investigation in Environment, Genetics and Oncobiology (CIMAGO), University of Coimbra, Apartado 9015, 3001-301 Coimbra, Portugal
- Faculty of Medicine (FMUC), Institute of Immunology, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
- Center for Neuroscience and Cell Biology (CNC), Laboratory of Immunology and Oncology, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
- Center for Innovation in Biomedicine and Biotechnology (CIBB), University of Coimbra, Polo III - Health Sciences Campus Azinhaga Santa Comba, Celas, 3000-548 Coimbra, Portugal
| | - Vera Alves
- Faculty of Medicine, Coimbra Institute for Clinical and Biomedical Research (iCBR), University of Coimbra, Polo III - Health Sciences Campus, Azinhaga Santa Comba, Celas, 3000-548 Coimbra, Portugal
- Faculty of Medicine, Center of Investigation in Environment, Genetics and Oncobiology (CIMAGO), University of Coimbra, Apartado 9015, 3001-301 Coimbra, Portugal
- Faculty of Medicine (FMUC), Institute of Immunology, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
| | - Manuel Santos-Rosa
- Faculty of Medicine, Coimbra Institute for Clinical and Biomedical Research (iCBR), University of Coimbra, Polo III - Health Sciences Campus, Azinhaga Santa Comba, Celas, 3000-548 Coimbra, Portugal
- Faculty of Medicine, Center of Investigation in Environment, Genetics and Oncobiology (CIMAGO), University of Coimbra, Apartado 9015, 3001-301 Coimbra, Portugal
- Faculty of Medicine (FMUC), Institute of Immunology, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
| | - Anabela Mota-Pinto
- Faculty of Medicine, Coimbra Institute for Clinical and Biomedical Research (iCBR), University of Coimbra, Polo III - Health Sciences Campus, Azinhaga Santa Comba, Celas, 3000-548 Coimbra, Portugal
- Faculty of Medicine, Center of Investigation in Environment, Genetics and Oncobiology (CIMAGO), University of Coimbra, Apartado 9015, 3001-301 Coimbra, Portugal
- General Pathology Institute, Faculty of Medicine, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
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15
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Ducimetière L, Vermeer M, Tugues S. The Interplay Between Innate Lymphoid Cells and the Tumor Microenvironment. Front Immunol 2019; 10:2895. [PMID: 31921156 PMCID: PMC6923277 DOI: 10.3389/fimmu.2019.02895] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Accepted: 11/26/2019] [Indexed: 12/13/2022] Open
Abstract
The multifaceted roles of Innate Lymphoid Cells (ILC) have been widely interrogated in tumor immunity. Whereas, Natural Killer (NK) cells possess undisputable tumor-suppressive properties across multiple types of cancer, the other ILC family members can either promote or inhibit tumor growth depending on the environmental conditions. The differential effects of ILCs on tumor outcome have been attributed to the high degree of heterogeneity and plasticity within the ILC family members. However, it is now becoming clear that ILCs responses are shaped by their dynamic crosstalk with the different components of the tumor microenvironment (TME). In this review, we will give insights into the molecular and cellular players of the ILCs-TME interactions and we will discuss how we can use this knowledge to successfully harness the activity of ILCs for anticancer therapies.
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Affiliation(s)
- Laura Ducimetière
- Innate Lymphoid Cells and Cancer, Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland
| | - Marijne Vermeer
- Innate Lymphoid Cells and Cancer, Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland
| | - Sonia Tugues
- Innate Lymphoid Cells and Cancer, Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland
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16
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Willinger T. Metabolic Control of Innate Lymphoid Cell Migration. Front Immunol 2019; 10:2010. [PMID: 31507605 PMCID: PMC6713999 DOI: 10.3389/fimmu.2019.02010] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Accepted: 08/08/2019] [Indexed: 12/24/2022] Open
Abstract
Innate lymphoid cells (ILCs) are specialized immune cells that rapidly respond to environmental challenges, such as infection and tissue damage. ILCs play an important role in organ homeostasis, tissue repair, and host defense in the mucosal tissues intestine and lung. ILCs are sentinels of healthy tissue function, yet it is poorly understood how ILCs are recruited, strategically positioned, and maintained within tissues. Accordingly, ILC migration is an area that has recently come into focus and it is important to define the signals that control ILC migration to and within tissues. In this context, signals from the local tissue microenvironment are relevant. For example, ILCs in the intestine are exposed to an environment that is rich in dietary, microbial, and endogenous metabolites. It has been shown that the Vitamin A metabolite retinoic acid promotes ILC1 and ILC3 homing to the intestine. In addition, recent studies have discovered cholesterol metabolites (oxysterols) as a novel class of molecules that regulate ILC migration through the receptor GPR183. ILCs are considered to be largely tissue-resident cells, yet recent data indicate that ILCs actively migrate during inflammation. Furthermore, the discovery of circulating ILC precursors in humans and their presence within tissues has fueled the concept of local ILC-poiesis. However, it is unclear how circulating ILCs enter tissue during embryogenesis and inflammation and how they are directed to local tissue niches. In this review, I will discuss the metabolic signals that regulate ILC homing and their strategic positioning in healthy and inflamed tissues. It is becoming increasingly clear that ILC function is closely linked to their tissue localization. Therefore, understanding the tissue signals that control ILC migration could open new avenues for the treatment of chronic inflammatory diseases and cancer.
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Affiliation(s)
- Tim Willinger
- Department of Medicine Huddinge, Center for Infectious Medicine, Karolinska Institutet, Stockholm, Sweden
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17
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Pokrovskii M, Hall JA, Ochayon DE, Yi R, Chaimowitz NS, Seelamneni H, Carriero N, Watters A, Waggoner SN, Littman DR, Bonneau R, Miraldi ER. Characterization of Transcriptional Regulatory Networks that Promote and Restrict Identities and Functions of Intestinal Innate Lymphoid Cells. Immunity 2019; 51:185-197.e6. [PMID: 31278058 PMCID: PMC6863506 DOI: 10.1016/j.immuni.2019.06.001] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 03/12/2019] [Accepted: 06/04/2019] [Indexed: 12/14/2022]
Abstract
Innate lymphoid cells (ILCs) promote tissue homeostasis and immune defense but also contribute to inflammatory diseases. ILCs exhibit phenotypic and functional plasticity in response to environmental stimuli, yet the transcriptional regulatory networks (TRNs) that control ILC function are largely unknown. Here, we integrate gene expression and chromatin accessibility data to infer regulatory interactions between transcription factors (TFs) and genes within intestinal type 1, 2, and 3 ILC subsets. We predicted the "core" TFs driving ILC identities, organized TFs into cooperative modules controlling distinct gene programs, and validated roles for c-MAF and BCL6 as regulators affecting type 1 and type 3 ILC lineages. The ILC network revealed alternative-lineage-gene repression, a mechanism that may contribute to reported plasticity between ILC subsets. By connecting TFs to genes, the TRNs suggest means to selectively regulate ILC effector functions, while our network approach is broadly applicable to identifying regulators in other in vivo cell populations.
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Affiliation(s)
- Maria Pokrovskii
- The Kimmel Center for Biology and Medicine of the Skirball Institute, New York University School of Medicine, New York, NY 10016, USA
| | - Jason A Hall
- The Kimmel Center for Biology and Medicine of the Skirball Institute, New York University School of Medicine, New York, NY 10016, USA
| | - David E Ochayon
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA; Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA
| | - Ren Yi
- Departments of Biology and Computer Science, New York University, NY 10003, USA
| | - Natalia S Chaimowitz
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA; Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA
| | - Harsha Seelamneni
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA; Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA
| | - Nicholas Carriero
- Center for Computational Biology, Flatiron Institute, New York, NY 10010, USA
| | - Aaron Watters
- Center for Computational Biology, Flatiron Institute, New York, NY 10010, USA
| | - Stephen N Waggoner
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA; Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA
| | - Dan R Littman
- The Kimmel Center for Biology and Medicine of the Skirball Institute, New York University School of Medicine, New York, NY 10016, USA; Howard Hughes Medical Institute.
| | - Richard Bonneau
- Departments of Biology and Computer Science, New York University, NY 10003, USA; Center for Computational Biology, Flatiron Institute, New York, NY 10010, USA.
| | - Emily R Miraldi
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA; Divisions of Immunobiology and Biomedical Informatics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
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18
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Abstract
Innate lymphoid cells (ILCs) are an emerging family of innate immune cells and have been found to have an important role in infection, inflammation and tissue repair. In particular, recent work has identified significant alterations of ILC responses in tumor patients, suggesting potential roles of ILCs in tumor development. In this paper, we have focused on the basic features of ILCs and their interaction with other immune cells. Importantly, as the role of cytotoxic natural killer cells, assigned to ILC1 family, in cancer has been well established, we have summarized the new findings that showcase the potential role and mechanism of helper ILCs in different tumors. Helper ILCs might promote or inhibit tumor growth and metastasis, which depends on tumor type and ILC subset.
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Affiliation(s)
- Shunfeng Hu
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, 250021, China
| | - Xin Wang
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, 250021, China.,School of Medicine, Shandong University, Jinan, Shandong, 250012, China.,Shandong Provincial Engineering Research Center of Lymphoma, Jinan, Shandong, 250021, China.,Key Laboratory for Kidney Regeneration of Shandong Province, Jinan, Shandong, 250021, China
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19
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Stabile H, Scarno G, Fionda C, Gismondi A, Santoni A, Gadina M, Sciumè G. JAK/STAT signaling in regulation of innate lymphoid cells: The gods before the guardians. Immunol Rev 2019; 286:148-159. [PMID: 30294965 DOI: 10.1111/imr.12705] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 08/16/2018] [Indexed: 12/17/2022]
Abstract
Immunity to pathogens is ensured through integration of early responses mediated by innate cells and late effector functions taking place after terminal differentiation of adaptive lymphocytes. In this context, innate lymphoid cells (ILCs) and adaptive T cells represent a clear example of how prototypical effector functions, including polarized expression of cytokines and/or cytotoxic activity, can occur with overlapping modalities but different timing. The ability of ILCs to provide early protection relies on their poised epigenetic state, which determines their propensity to quickly respond to cytokines and to activate specific patterns of signal-dependent transcription factors. Cytokines activating the Janus kinases (JAKs) and members of the signal transducer and activator of transcription (STAT) pathway are key regulators of lymphoid development and sustain the processes underlying T-cell activation and differentiation. The role of the JAK/STAT pathway has been recently extended to several aspects of ILC biology. Here, we discuss how JAK/STAT signals affect ILC development and effector functions in the context of immune responses, highlighting the molecular mechanisms involved in regulation of gene expression as well as the potential of targeting the JAK/STAT pathway in inflammatory pathologies.
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Affiliation(s)
- Helena Stabile
- Department of Molecular Medicine, Sapienza University of Rome, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Rome, Italy
| | - Gianluca Scarno
- Department of Molecular Medicine, Sapienza University of Rome, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Rome, Italy
| | - Cinzia Fionda
- Department of Molecular Medicine, Sapienza University of Rome, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Rome, Italy
| | - Angela Gismondi
- Department of Molecular Medicine, Sapienza University of Rome, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Rome, Italy
| | - Angela Santoni
- Department of Molecular Medicine, Sapienza University of Rome, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Rome, Italy.,IRCCS Neuromed, Pozzilli, Italy
| | - Massimo Gadina
- Translational Immunology Section, Office of Science Technology (OST), National Institute of Arthritis and Musculoskeletal and Skin Diseases, NIH, Bethesda, Maryland
| | - Giuseppe Sciumè
- Department of Molecular Medicine, Sapienza University of Rome, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Rome, Italy
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20
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STAT3 Genotypic Variant rs744166 and Increased Tyrosine Phosphorylation of STAT3 in IL-23 Responsive Innate Lymphoid Cells during Pathogenesis of Crohn's Disease. J Immunol Res 2019; 2019:9406146. [PMID: 31321245 PMCID: PMC6610725 DOI: 10.1155/2019/9406146] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 05/17/2019] [Accepted: 05/27/2019] [Indexed: 02/08/2023] Open
Abstract
Crohn's disease (CD) results from dysregulated immune responses to gut microbiota in genetically susceptible individuals, affecting multiple areas of the gastrointestinal tract. Innate lymphoid cells (ILCs) are tissue-resident innate effector lymphocytes which play crucial roles in mucosal immune defense, tissue repair, and maintenance of homeostasis. The accumulation of IFN-γ-producing ILC1s and increased level of proinflammatory cytokines produced by ILCs has been observed in the inflamed terminal ileum of CD patients. To date, the precise mechanisms of ILC plasticity and gene regulatory pathways in ILCs remain unclear. Signal transducer and activator of transcription 3 (STAT3) regulates gene expression in a cell-specific, cytokine-dependent manner, involving multiple immune responses. This study proposes the positive correlation between the prevalence of STAT3 rs744166 risky allele "A" with the severity of disease in a cohort of 94 CD patients. In addition, the results suggest an increased STAT3 activity in the inflamed ileum of CD patients, compared to unaffected ileum sections. Notably, IL-23 triggers the differentiation of CD117+NKp44- ILC3s and induces the activation of STAT3 in both CD117+NKp44- and CD117-NKp44- ILC subsets, implying the involvement of STAT3 in the initiation of ILC plasticity. Moreover, carriage of STAT3 "A" risk allele exhibited a higher basal level of STAT3 tyrosine phosphorylation, and an increased IL-23 triggered the pSTAT3 level. We also demonstrated that there was no delayed dephosphorylation of STAT3 in ILCs of both A/A and G/G donors. Overall, the results of this study suggest that IL-23-induced activation of STAT3 in the CD117-NKp44- ILC1s involves in ILC1-to-ILC3 plasticity and a potential regulatory role of ILC1 function. Those genetically susceptible individuals carried STAT3 rs744166 risky allele appear to have higher basal and cytokine-stimulated activation of STAT3 signal, leading to prolonged inflammation and chronic relapse.
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21
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Zeng B, Shi S, Ashworth G, Dong C, Liu J, Xing F. ILC3 function as a double-edged sword in inflammatory bowel diseases. Cell Death Dis 2019; 10:315. [PMID: 30962426 PMCID: PMC6453898 DOI: 10.1038/s41419-019-1540-2] [Citation(s) in RCA: 152] [Impact Index Per Article: 30.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 03/13/2019] [Accepted: 03/19/2019] [Indexed: 12/19/2022]
Abstract
Inflammatory bowel diseases (IBD), composed mainly of Crohn's disease (CD) and ulcerative colitis (UC), are strongly implicated in the development of intestinal inflammation lesions. Its exact etiology and pathogenesis are still undetermined. Recently accumulating evidence supports that group 3 innate lymphoid cells (ILC3) are responsible for gastrointestinal mucosal homeostasis through moderate generation of IL-22, IL-17, and GM-CSF in the physiological state. ILC3 contribute to the progression and aggravation of IBD while both IL-22 and IL-17, along with IFN-γ, are overexpressed by the dysregulation of NCR- ILC3 or NCR+ ILC3 function and the bias of NCR+ ILC3 towards ILC1 as well as regulatory ILC dysfunction in the pathological state. Herein, we feature the group 3 innate lymphoid cells' development, biological function, maintenance of gut homeostasis, mediation of IBD occurrence, and potential application to IBD therapy.
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Affiliation(s)
- Boning Zeng
- Institute of Tissue Transplantation and Immunology, Department of Immunobiology, Jinan University, Guangzhou, China
- Key Laboratory of Functional Protein Research of Guangdong, Higher Education Institutes, Jinan University, Guangzhou, China
| | - Shengnan Shi
- Institute of Tissue Transplantation and Immunology, Department of Immunobiology, Jinan University, Guangzhou, China
| | | | | | - Jing Liu
- BioMedical Research Centre, University of East Anglia, NR4 7TJ, Norwich, UK.
| | - Feiyue Xing
- Institute of Tissue Transplantation and Immunology, Department of Immunobiology, Jinan University, Guangzhou, China.
- Key Laboratory of Functional Protein Research of Guangdong, Higher Education Institutes, Jinan University, Guangzhou, China.
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ILC3-derived OX40L is essential for homeostasis of intestinal Tregs in immunodeficient mice. Cell Mol Immunol 2019; 17:163-177. [PMID: 30760919 DOI: 10.1038/s41423-019-0200-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 12/27/2018] [Indexed: 12/13/2022] Open
Abstract
OX40L is one of the co-stimulatory molecules that can be expressed by splenic lymphoid tissue inducer (Lti) cells, a subset of group 3 innate lymphoid cells (ILC3s). OX40L expression in subsets of intestinal ILC3s and the molecular regulation of OX40L expression in ILC3s are unknown. Here, we showed intestinal ILC3s marked as an OX40Lhigh population among all the intestinal leukocytes and were the dominant source of OX40L in Rag1-/- mice. All ILC3 subsets expressed OX40L, and NCR-ILC3s were the most abundant source of OX40L. The expression of OX40L in ILC3s could be upregulated during inflammation. In addition to tumor necrosis factor (TNF)-like cytokine 1A (TL1A), which has been known as a trigger for OX40L, we found that Poly (I:C) representing viral stimulus promoted OX40L expression in ILC3s via a cell-autonomous manner. Furthermore, we demonstrated that IL-7-STAT5 signaling sustained OX40L expression by ILC3s. Intestinal regulatory T cells (Tregs), most of which expressed OX40, had defective expansion in chimeric mice, in which ILC3s were specifically deficient for OX40L expression. Consistently, co-localization of Tregs and ILC3s was found in the cryptopatches of the intestine, which suggests the close interaction between ILC3s and Tregs. Our study has unveiled the crosstalk between Tregs and ILC3s in mucosal tissues through OX40-OX40L signaling, which is crucial for the homeostasis of intestinal Tregs.
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Abstract
Innate lymphoid cells (ILCs) are positioned in tissues perinatally, constitutively express receptors responsive to their organ microenvironments, and perform an arsenal of effector functions that overlap those of adaptive CD4+ T cells. Based on knowledge regarding subsets of invariant-like lymphocytes (e.g., natural killer T [NKT] cells, γδ T cells, mucosal-associated invariant T [MAIT] cells, etc.) and fetally derived macrophages, we hypothesize that immune cells established during the perinatal period-including, but not limited to, ILCs-serve intimate roles in tissue that go beyond classical understanding of the immune system in microbial host defense. In this Perspective, we propose mechanisms by which the establishment of ILCs and the tissue lymphoid niche during early development may have consequences much later in life. Although definitive answers require better tools, efforts to achieve deeper understanding of ILC biology across the mammalian lifespan have the potential to lift the veil on the unknown breadth of immune cell functions.
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Sciumè G, Fionda C, Stabile H, Gismondi A, Santoni A. Negative regulation of innate lymphoid cell responses in inflammation and cancer. Immunol Lett 2019; 215:28-34. [PMID: 30711614 DOI: 10.1016/j.imlet.2019.01.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 01/30/2019] [Accepted: 01/30/2019] [Indexed: 12/21/2022]
Abstract
The immune system employs an array of effector cells to ensure tissue homeostasis and protection against pathogens. Lymphocytes belonging to both the adaptive and innate branches share several functions, comprising the ability to directly kill stressed or transformed cells, and to provide helper responses through specific production of cytokines. These properties are regulated by distinct sets of soluble molecules, receptors, and intracellular factors, which altogether tune the functional output of effector lymphocytes and their final activation state. In contrast to adaptive T cells, innate lymphoid cells (ILCs) do not require antigen receptors and are characterized for their ability to provide rapid immune responses. While the factors underlying functional diversification and the main principles leading to ILC activation have been dissected, our understanding of the mechanisms underlying termination of ILC effector functions is still in its infancy. Herein, we discuss the recent findings describing how ILC responses are turned off in the context of inflammation and cancer.
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Affiliation(s)
- Giuseppe Sciumè
- Department of Molecular Medicine, Sapienza University of Rome, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Rome, Italy.
| | - Cinzia Fionda
- Department of Molecular Medicine, Sapienza University of Rome, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Rome, Italy
| | - Helena Stabile
- Department of Molecular Medicine, Sapienza University of Rome, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Rome, Italy
| | - Angela Gismondi
- Department of Molecular Medicine, Sapienza University of Rome, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Rome, Italy
| | - Angela Santoni
- Department of Molecular Medicine, Sapienza University of Rome, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Rome, Italy; IRCCS Neuromed, 86077, Pozzilli, IS, Italy.
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25
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Sciumè G. Guest editorial: Innate lymphocytes: Development, homeostasis, and disease. Cytokine Growth Factor Rev 2018; 42:1-4. [PMID: 30219180 DOI: 10.1016/j.cytogfr.2018.08.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 08/13/2018] [Indexed: 12/15/2022]
Affiliation(s)
- Giuseppe Sciumè
- Department of Molecular Medicine, Sapienza University of Rome, Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Viale Regina Elena, 291 00161, Rome, Italy.
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26
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Argüello RJ, Reverendo M, Mendes A, Camosseto V, Torres AG, Ribas de Pouplana L, van de Pavert SA, Gatti E, Pierre P. SunRiSE - measuring translation elongation at single-cell resolution by means of flow cytometry. J Cell Sci 2018; 131:jcs.214346. [PMID: 29700204 DOI: 10.1242/jcs.214346] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 04/04/2018] [Indexed: 12/30/2022] Open
Abstract
The rate at which ribosomes translate mRNAs regulates protein expression by controlling co-translational protein folding and mRNA stability. Many factors regulate translation elongation, including tRNA levels, codon usage and phosphorylation of eukaryotic elongation factor 2 (eEF2). Current methods to measure translation elongation lack single-cell resolution, require expression of multiple transgenes and have never been successfully applied ex vivo Here, we show, by using a combination of puromycilation detection and flow cytometry (a method we call 'SunRiSE'), that translation elongation can be measured accurately in primary cells in pure or heterogenous populations isolated from blood or tissues. This method allows for the simultaneous monitoring of multiple parameters, such as mTOR or S6K1/2 signaling activity, the cell cycle stage and phosphorylation of translation factors in single cells, without elaborated, costly and lengthy purification procedures. We took advantage of SunRiSE to demonstrate that, in mouse embryonic fibroblasts, eEF2 phosphorylation by eEF2 kinase (eEF2K) mostly affects translation engagement, but has a surprisingly small effect on elongation, except after proteotoxic stress induction.This article has an associated First Person interview with the first author of the paper.
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Affiliation(s)
- Rafael J Argüello
- Centre d'Immunologie de Marseille-Luminy, Aix Marseille Université, Inserm, CNRS, 13288, Marseille Cedex 9, France
| | - Marisa Reverendo
- Centre d'Immunologie de Marseille-Luminy, Aix Marseille Université, Inserm, CNRS, 13288, Marseille Cedex 9, France
| | - Andreia Mendes
- Centre d'Immunologie de Marseille-Luminy, Aix Marseille Université, Inserm, CNRS, 13288, Marseille Cedex 9, France
| | - Voahirana Camosseto
- Centre d'Immunologie de Marseille-Luminy, Aix Marseille Université, Inserm, CNRS, 13288, Marseille Cedex 9, France
| | - Adrian G Torres
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Parc Científic de Barcelona, C/Baldiri Reixac 10, 08028 Barcelona, Catalonia, Spain
| | - Lluis Ribas de Pouplana
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Parc Científic de Barcelona, C/Baldiri Reixac 10, 08028 Barcelona, Catalonia, Spain.,Catalan Institute for Research and Advanced Studies (ICREA), P/Lluis Companys 23, 08010 Barcelona, Catalonia, Spain
| | - Serge A van de Pavert
- Centre d'Immunologie de Marseille-Luminy, Aix Marseille Université, Inserm, CNRS, 13288, Marseille Cedex 9, France
| | - Evelina Gatti
- Centre d'Immunologie de Marseille-Luminy, Aix Marseille Université, Inserm, CNRS, 13288, Marseille Cedex 9, France.,Institute for Research in Biomedicine (iBiMED) and Ilidio Pinho Foundation, Department of Medical Sciences, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Philippe Pierre
- Centre d'Immunologie de Marseille-Luminy, Aix Marseille Université, Inserm, CNRS, 13288, Marseille Cedex 9, France .,Institute for Research in Biomedicine (iBiMED) and Ilidio Pinho Foundation, Department of Medical Sciences, University of Aveiro, 3810-193 Aveiro, Portugal
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27
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Bando JK, Gilfillan S, Song C, McDonald KG, Huang SCC, Newberry RD, Kobayashi Y, Allan DSJ, Carlyle JR, Cella M, Colonna M. The Tumor Necrosis Factor Superfamily Member RANKL Suppresses Effector Cytokine Production in Group 3 Innate Lymphoid Cells. Immunity 2018; 48:1208-1219.e4. [PMID: 29858011 DOI: 10.1016/j.immuni.2018.04.012] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Revised: 12/29/2017] [Accepted: 04/11/2018] [Indexed: 02/06/2023]
Abstract
While signals that activate group 3 innate lymphoid cells (ILC3s) have been described, the factors that negatively regulate these cells are less well understood. Here we found that the tumor necrosis factor (TNF) superfamily member receptor activator of nuclear factor κB ligand (RANKL) suppressed ILC3 activity in the intestine. Deletion of RANKL in ILC3s and T cells increased C-C motif chemokine receptor 6 (CCR6)+ ILC3 abundance and enhanced production of interleukin-17A (IL-17A) and IL-22 in response to IL-23 and during infection with the enteric murine pathogen Citrobacter rodentium. Additionally, CCR6+ ILC3s produced higher amounts of the master transcriptional regulator RORγt at steady state in the absence of RANKL. RANKL-mediated suppression was independent of T cells, and instead occurred via interactions between CCR6+ ILC3s that expressed both RANKL and its receptor, RANK. Thus, RANK-RANKL interactions between ILC3s regulate ILC3 abundance and activation, suggesting that cell clustering may control ILC3 activity.
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Affiliation(s)
- Jennifer K Bando
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Susan Gilfillan
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Christina Song
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Keely G McDonald
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Stanley C-C Huang
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Rodney D Newberry
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Yasuhiro Kobayashi
- Institute for Oral Science, Matsumoto Dental University, 1780 Hirooka Gohara, Shiojiri Nagano, 399-0781, Japan
| | - David S J Allan
- Department of Immunology, University of Toronto, Sunnybrook Research Institute, Toronto, ON, M4N 3M5, Canada
| | - James R Carlyle
- Department of Immunology, University of Toronto, Sunnybrook Research Institute, Toronto, ON, M4N 3M5, Canada
| | - Marina Cella
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Marco Colonna
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, 63110, USA.
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28
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Shabgah AG, Navashenaq JG, Shabgah OG, Mohammadi H, Sahebkar A. Interleukin-22 in human inflammatory diseases and viral infections. Autoimmun Rev 2017; 16:1209-1218. [PMID: 29037907 DOI: 10.1016/j.autrev.2017.10.004] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Accepted: 08/08/2017] [Indexed: 12/24/2022]
Abstract
Interleukin-22 (IL22) is one of the members of IL10 family. Elevated levels of this cytokine can be seen in diseases caused by T lymphocytes, such as Psoriasis, Rheumatoid arthritis, interstitial lung diseases. IL22 is produced by different cells in both innate and acquired immunities. Different types of T cells are able to produce IL22, but the major IL22-producing T-cell is the TCD4. TH22 cell is a new line of TCD4 cells, which differentiated from naive T cells in the presence of TNFα and IL6; 50% of peripheral blood IL22 is produced by these cells. IL22 has important functions in host defense at mucosal surfaces as well as in tissue repair. In this review, we assess the current understanding of this cytokine and focus on the possible roles of IL-22 in autoimmune diseases.
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Affiliation(s)
- Arezoo Gowhari Shabgah
- Immunology Research Center, Avicenna Research Institute, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Blood Borne Infections Research Center, AcademicCenter for Education, Culture and Research (ACECR), Razavi Khorasan Branch,Mashhad, Iran
| | - Jamshid Gholizadeh Navashenaq
- Immunology Research Center, Avicenna Research Institute, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Omid Gohari Shabgah
- Parasitology Department, Medical sciencesfaculty, Tarbiat Modares University, Tehran, Iran
| | - Hamed Mohammadi
- ImmunologyResearch Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amirhossein Sahebkar
- BiotechnologyResearch Center, Mashhad University of Medical Sciences, Mashhad, Iran.
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29
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Sciumè G, Shih HY, Mikami Y, O'Shea JJ. Epigenomic Views of Innate Lymphoid Cells. Front Immunol 2017; 8:1579. [PMID: 29250060 PMCID: PMC5715337 DOI: 10.3389/fimmu.2017.01579] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Accepted: 11/02/2017] [Indexed: 12/30/2022] Open
Abstract
The discovery of innate lymphoid cells (ILCs) with selective production of cytokines typically attributed to subsets of T helper cells forces immunologists to reassess the mechanisms by which selective effector functions arise. The parallelism between ILCs and T cells extends beyond these two cell types and comprises other innate-like T lymphocytes. Beyond the recognition of specialized effector functionalities in diverse lymphocytes, features typical of T cells, such as plasticity and memory, are also relevant for innate lymphocytes. Herein, we review what we have learned in terms of the molecular mechanisms underlying these shared functions, focusing on insights provided by next generation sequencing technologies. We review data on the role of lineage-defining- and signal-dependent transcription factors (TFs). ILC regulomes emerge developmentally whereas the much of the open chromatin regions of T cells are generated acutely, in an activation-dependent manner. And yet, these regions of open chromatin in T cells and ILCs have remarkable overlaps, suggesting that though accessibility is acquired by distinct modes, the end result is that convergent signaling pathways may be involved. Although much is left to be learned, substantial progress has been made in understanding how TFs and epigenomic status contribute to ILC biology in terms of differentiation, specification, and plasticity.
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Affiliation(s)
- Giuseppe Sciumè
- Department of Molecular Medicine, Sapienza University of Rome, Laboratory Affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Rome, Italy
| | - Han-Yu Shih
- Lymphocyte and Cell Biology Section, Molecular Immunology and Inflammation Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, NIH, Bethesda, MD, United States
| | - Yohei Mikami
- Lymphocyte and Cell Biology Section, Molecular Immunology and Inflammation Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, NIH, Bethesda, MD, United States
| | - John J O'Shea
- Lymphocyte and Cell Biology Section, Molecular Immunology and Inflammation Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, NIH, Bethesda, MD, United States
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30
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Saetang J, Sangkhathat S. Role of innate lymphoid cells in obesity and metabolic disease (Review). Mol Med Rep 2017; 17:1403-1412. [PMID: 29138853 PMCID: PMC5780078 DOI: 10.3892/mmr.2017.8038] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Accepted: 08/14/2017] [Indexed: 12/18/2022] Open
Abstract
The immune system has previously been demonstrated to be associated with the pathophysiological development of metabolic abnormalities. However, the mechanisms linking immunity to metabolic disease remain to be fully elucidated. It has previously been suggested that innate lymphoid cells (ILCs) may be involved in the progression of numerous types of metabolic diseases as these cells act as suppressors and promoters for obesity and associated conditions, and are particularly involved in adipose tissue inflammation, which is a major feature of metabolic imbalance. Group 2 ILCs (ILC2s) have been revealed as anti‑obese immune regulators by secreting anti‑inflammatory cytokines and promoting the polarization of M2 macrophages, whereas group 1 ILCs (ILC1s), including natural killer cells, may promote adipose tissue inflammation via production of interferon‑γ, which in turn polarizes macrophages toward the M1 type. The majority of studies to date have demonstrated the pathological association between ILCs and obesity in the context of adipose tissue inflammation, whereas the roles of ILCs in other organs which participate in obesity development have not been fully characterized. Therefore, identifying the roles of all types of ILCs as central components mediating obesity‑associated inflammation, is of primary concern, and may lead to the discovery of novel preventative and therapeutic interventions.
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Affiliation(s)
- Jirakrit Saetang
- Department of Biomedical Sciences, Faculty of Medicine, Prince of Songkla University, Songkhla 90110, Thailand
| | - Surasak Sangkhathat
- Tumor Biology Research Unit, Department of Surgery, Faculty of Medicine, Prince of Songkla University, Songkhla 90110, Thailand
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31
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Li M, Gao Y, Yong L, Huang D, Shen J, Liu M, Ren C, Hou X. Molecular signature and functional analysis of uterine ILCs in mouse pregnancy. J Reprod Immunol 2017; 123:48-57. [PMID: 28915450 DOI: 10.1016/j.jri.2017.09.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Revised: 09/01/2017] [Accepted: 09/08/2017] [Indexed: 02/07/2023]
Abstract
In addition to natural killer cells, other innate lymphoid cells have recently been identified in the mouse and human uterus, but their roles in successful pregnancy remain poorly defined. In this study, we examined the dynamic changes of uterine innate lymphoid cells throughout pregnancy in mice. We found that the total number of uterine innate lymphoid cells markedly increased at early-gestation. Among the three groups of uterine innate lymphoid cells, the number of the group 2 uterine innate lymphoid cells increased the most during pregnancy. We also determined that the depletion of uterine innate lymphoid cells in Rag1-/- mice resulted in impaired uterine spiral artery remodeling. These results suggest that uterine innate lymphoid cells may play an important role in mouse reproduction.
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Affiliation(s)
- Minmin Li
- Department of Microbiology and Parasitology, School of Basic Medicine, Anhui Medical University, Hefei, Anhui, China
| | - Yimin Gao
- Department of Microbiology and Parasitology, School of Basic Medicine, Anhui Medical University, Hefei, Anhui, China
| | - Liang Yong
- Department of Microbiology and Parasitology, School of Basic Medicine, Anhui Medical University, Hefei, Anhui, China
| | - Dake Huang
- Department of Microbiology and Parasitology, School of Basic Medicine, Anhui Medical University, Hefei, Anhui, China
| | - Jijia Shen
- Department of Microbiology and Parasitology, School of Basic Medicine, Anhui Medical University, Hefei, Anhui, China; Anhui Provincial Laboratory of Microbiology and Parasitology, Hefei, Anhui, China
| | - Miao Liu
- Department of Microbiology and Parasitology, School of Basic Medicine, Anhui Medical University, Hefei, Anhui, China; Anhui Provincial Laboratory of Microbiology and Parasitology, Hefei, Anhui, China
| | - Cuiping Ren
- Department of Microbiology and Parasitology, School of Basic Medicine, Anhui Medical University, Hefei, Anhui, China; Anhui Provincial Laboratory of Microbiology and Parasitology, Hefei, Anhui, China
| | - Xin Hou
- Department of Microbiology and Parasitology, School of Basic Medicine, Anhui Medical University, Hefei, Anhui, China; Anhui Provincial Laboratory of Microbiology and Parasitology, Hefei, Anhui, China.
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32
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Malaisé Y, Ménard S, Cartier C, Lencina C, Sommer C, Gaultier E, Houdeau E, Guzylack-Piriou L. Consequences of bisphenol a perinatal exposure on immune responses and gut barrier function in mice. Arch Toxicol 2017; 92:347-358. [DOI: 10.1007/s00204-017-2038-2] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Accepted: 07/13/2017] [Indexed: 02/02/2023]
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33
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Suo C, Fan Z, Zhou L, Qiu J. Perfluorooctane sulfonate affects intestinal immunity against bacterial infection. Sci Rep 2017; 7:5166. [PMID: 28701769 PMCID: PMC5507904 DOI: 10.1038/s41598-017-04091-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Accepted: 05/09/2017] [Indexed: 02/07/2023] Open
Abstract
Perfluorooctane sulfonate (PFOS) is an environmental contaminant that has been manufactured to be used as surfactants and repellents in industry. Due to long half-life for clearance and degradation, PFOS is accumulative in human body and has potential threat to human health. Previous studies have shown the development and function of immune cells can be affected by PFOS. Although PFOS has a high chance of being absorbed through the oral route, whether and how PFOS affects immune cells in the gut is unknown. Using mouse model of Citrobacter rodentium infection, we investigated the role of PFOS on intestinal immunity. We found at early phase of the infection, PFOS inhibited the expansion of the pathogen by promoting IL-22 production from the group 3 innate lymphoid cell (ILC3) in an aryl hydrocarbon receptor dependent manner. Nevertheless, persistent PFOS treatment in mice finally led to a failure to clear the pathogen completely. At late phase of infection, enhanced bacterial counts in PFOS treated mice were accompanied by increased inflammatory cytokines, reduced mucin production and dysbiosis, featured by decreased level of Lactobacillus casei, Lactobacillus johnsonii and increased E. coli. Our study reveals a deleterious consequence in intestinal bacterial infection caused by PFOS accumulation.
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Affiliation(s)
- Caixia Suo
- The Key Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences and Shanghai Jiao Tong University School of Medicine, University of Chinese Academy of Sciences, Shanghai, 200031, China
| | - Zhiqin Fan
- The Key Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences and Shanghai Jiao Tong University School of Medicine, University of Chinese Academy of Sciences, Shanghai, 200031, China
| | - Liang Zhou
- Department of Infectious Diseases and Pathology, College of Veterinary Medicine The University of Florida, Gainesville, FL, 32608, USA
| | - Ju Qiu
- The Key Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences and Shanghai Jiao Tong University School of Medicine, University of Chinese Academy of Sciences, Shanghai, 200031, China.
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34
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The evolution of innate lymphoid cells. Nat Immunol 2017; 17:790-4. [PMID: 27328009 DOI: 10.1038/ni.3459] [Citation(s) in RCA: 129] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Accepted: 04/06/2016] [Indexed: 12/13/2022]
Abstract
Innate lymphoid cells (ILCs) are the most recently discovered group of immune cells. Understanding their biology poses many challenges. We discuss here the current knowledge on the appearance of ILC subsets during evolution and propose how the connection between ILCs and T cells contributes to the robustness of immunity and hence to the fitness of the hosts.
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35
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Development of innate lymphoid cells. Nat Immunol 2017; 17:775-82. [PMID: 27328007 DOI: 10.1038/ni.3481] [Citation(s) in RCA: 158] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Accepted: 05/04/2016] [Indexed: 12/13/2022]
Abstract
Innate lymphoid cells (ILCs) are a family of immune effector cells that have important roles in host defense, metabolic homeostasis and tissue repair but can also contribute to inflammatory diseases such as asthma and colitis. These cells can be categorized into three groups on the basis of the transcription factors that direct their function and the cytokines they produce, which parallel the effector functions of T lymphocytes. The hierarchy of cell-fate-restriction events that occur as common lymphoid progenitors become committed to each of the ILC lineages further underscores the relationship between these innate immune cells and T lymphocytes. In this Review we discuss the developmental program of ILCs and transcription factors that guide ILC lineage specification and commitment.
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36
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Czarnewski P, Das S, Parigi SM, Villablanca EJ. Retinoic Acid and Its Role in Modulating Intestinal Innate Immunity. Nutrients 2017; 9:nu9010068. [PMID: 28098786 PMCID: PMC5295112 DOI: 10.3390/nu9010068] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 12/26/2016] [Accepted: 01/11/2017] [Indexed: 01/11/2023] Open
Abstract
Vitamin A (VA) is amongst the most well characterized food-derived nutrients with diverse immune modulatory roles. Deficiency in dietary VA has not only been associated with immune dysfunctions in the gut, but also with several systemic immune disorders. In particular, VA metabolite all-trans retinoic acid (atRA) has been shown to be crucial in inducing gut tropism in lymphocytes and modulating T helper differentiation. In addition to the widely recognized role in adaptive immunity, increasing evidence identifies atRA as an important modulator of innate immune cells, such as tolerogenic dendritic cells (DCs) and innate lymphoid cells (ILCs). Here, we focus on the role of retinoic acid in differentiation, trafficking and the functions of innate immune cells in health and inflammation associated disorders. Lastly, we discuss the potential involvement of atRA during the plausible crosstalk between DCs and ILCs.
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Affiliation(s)
- Paulo Czarnewski
- Immunology and Allergy Unit, Department of Medicine, Solna, Karolinska Institutet and University Hospital, Stockholm 171-76, Sweden.
| | - Srustidhar Das
- Immunology and Allergy Unit, Department of Medicine, Solna, Karolinska Institutet and University Hospital, Stockholm 171-76, Sweden.
| | - Sara M Parigi
- Immunology and Allergy Unit, Department of Medicine, Solna, Karolinska Institutet and University Hospital, Stockholm 171-76, Sweden.
| | - Eduardo J Villablanca
- Immunology and Allergy Unit, Department of Medicine, Solna, Karolinska Institutet and University Hospital, Stockholm 171-76, Sweden.
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Huntington ND, Carpentier S, Vivier E, Belz GT. Innate lymphoid cells: parallel checkpoints and coordinate interactions with T cells. Curr Opin Immunol 2016; 38:86-93. [DOI: 10.1016/j.coi.2015.11.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Accepted: 11/25/2015] [Indexed: 12/31/2022]
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Rankin LC, Girard-Madoux MJH, Seillet C, Mielke LA, Kerdiles Y, Fenis A, Wieduwild E, Putoczki T, Mondot S, Lantz O, Demon D, Papenfuss AT, Smyth GK, Lamkanfi M, Carotta S, Renauld JC, Shi W, Carpentier S, Soos T, Arendt C, Ugolini S, Huntington ND, Belz GT, Vivier E. Complementarity and redundancy of IL-22-producing innate lymphoid cells. Nat Immunol 2016; 17:179-86. [PMID: 26595889 PMCID: PMC4720992 DOI: 10.1038/ni.3332] [Citation(s) in RCA: 192] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2015] [Accepted: 10/23/2015] [Indexed: 02/07/2023]
Abstract
Intestinal T cells and group 3 innate lymphoid cells (ILC3 cells) control the composition of the microbiota and gut immune responses. Within the gut, ILC3 subsets coexist that either express or lack the natural cytoxicity receptor (NCR) NKp46. We identified here the transcriptional signature associated with the transcription factor T-bet-dependent differentiation of NCR(-) ILC3 cells into NCR(+) ILC3 cells. Contrary to the prevailing view, we found by conditional deletion of the key ILC3 genes Stat3, Il22, Tbx21 and Mcl1 that NCR(+) ILC3 cells were redundant for the control of mouse colonic infection with Citrobacter rodentium in the presence of T cells. However, NCR(+) ILC3 cells were essential for cecal homeostasis. Our data show that interplay between intestinal ILC3 cells and adaptive lymphocytes results in robust complementary failsafe mechanisms that ensure gut homeostasis.
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Affiliation(s)
- Lucille C Rankin
- The Walter and Eliza Hall Institute of Medical Research, and Department of Medical Biology, University of Melbourne, Parkville, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Australia
| | - Mathilde J H Girard-Madoux
- Centre d'Immunologie de Marseille-Luminy, Université d'Aix-Marseille UM2, Inserm, U1104, CNRS UMR7280, Marseille, France
| | - Cyril Seillet
- The Walter and Eliza Hall Institute of Medical Research, and Department of Medical Biology, University of Melbourne, Parkville, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Australia
| | - Lisa A Mielke
- The Walter and Eliza Hall Institute of Medical Research, and Department of Medical Biology, University of Melbourne, Parkville, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Australia
| | - Yann Kerdiles
- Centre d'Immunologie de Marseille-Luminy, Université d'Aix-Marseille UM2, Inserm, U1104, CNRS UMR7280, Marseille, France
| | - Aurore Fenis
- Centre d'Immunologie de Marseille-Luminy, Université d'Aix-Marseille UM2, Inserm, U1104, CNRS UMR7280, Marseille, France
| | - Elisabeth Wieduwild
- Centre d'Immunologie de Marseille-Luminy, Université d'Aix-Marseille UM2, Inserm, U1104, CNRS UMR7280, Marseille, France
| | - Tracy Putoczki
- The Walter and Eliza Hall Institute of Medical Research, and Department of Medical Biology, University of Melbourne, Parkville, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Australia
| | | | - Olivier Lantz
- Laboratoire d'Immunologie and Inserm U932, Institut Curie, Paris, France
| | - Dieter Demon
- Inflammation Research Center, VIB, Ghent University, Ghent, Belgium
- Department of Biochemistry, Ghent University, Ghent, Belgium
| | - Anthony T Papenfuss
- The Walter and Eliza Hall Institute of Medical Research, and Department of Medical Biology, University of Melbourne, Parkville, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Australia
| | - Gordon K Smyth
- The Walter and Eliza Hall Institute of Medical Research, and Department of Medical Biology, University of Melbourne, Parkville, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Australia
- Department of Mathematics and Statistics, University of Melbourne, Parkville, Australia
| | - Mohamed Lamkanfi
- Inflammation Research Center, VIB, Ghent University, Ghent, Belgium
- Department of Biochemistry, Ghent University, Ghent, Belgium
| | - Sebastian Carotta
- The Walter and Eliza Hall Institute of Medical Research, and Department of Medical Biology, University of Melbourne, Parkville, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Australia
- Boehringer-Ingelheim RCV, Vienna, Austria
| | - Jean-Christophe Renauld
- Ludwig Institute for Cancer Research and Experimental Medicine Unit, Catholic University of Louvain, Brussels, Belgium
| | - Wei Shi
- The Walter and Eliza Hall Institute of Medical Research, and Department of Medical Biology, University of Melbourne, Parkville, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Australia
- Department of Computing and Information Systems, University of Melbourne, Parkville, Australia
| | - Sabrina Carpentier
- MI-mAbs consortium Aix-Marseille University, Centre d'Immunologie de Marseille-Luminy, Marseille, France
| | - Tim Soos
- Bioinnovation, SANOFI, Boston, Massachusetts, USA
| | | | - Sophie Ugolini
- Centre d'Immunologie de Marseille-Luminy, Université d'Aix-Marseille UM2, Inserm, U1104, CNRS UMR7280, Marseille, France
| | - Nicholas D Huntington
- The Walter and Eliza Hall Institute of Medical Research, and Department of Medical Biology, University of Melbourne, Parkville, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Australia
| | - Gabrielle T Belz
- The Walter and Eliza Hall Institute of Medical Research, and Department of Medical Biology, University of Melbourne, Parkville, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Australia
| | - Eric Vivier
- Centre d'Immunologie de Marseille-Luminy, Université d'Aix-Marseille UM2, Inserm, U1104, CNRS UMR7280, Marseille, France
- Immunologie, Hôpital de la Conception, Assistance Publique-Hôpitaux de Marseille, Marseille, France
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